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- National Assessment of Educational Progress (Project) (4)
- Mathematics — Study and Teaching (Elementary) — United States — Statistics (2)
- Mathematical Ability — Evaluation — Statistics (2)
- Academic Achievement — United States — Statistics (2)
- Mathematics — Study and Teaching (Secondary) — United States — Statistics (2)
- Reading (Elementary) — United States — Statistics (2)
- Achievement Tests — United States — Statistics (1)
- Education — United States — Statistics (1)
- Educational Surveys — United States (1)
- National Assessment of Educational Progress (Project) — Statistics (1)
- Reading (Secondary) — United States — Statistics (1)
- Reading — United States — Ability Testing — Statistics (1)